请看 这题 John,look at the time._____you play the piano at such a later hour?
问题描述：
请看 这题 John,look at the time._____you play the piano at such a later hour?
John,look at the time._____you play the piano at such a later hour?
A must
B need
为啥不用need
答
Remember this is a complain about someone who plays pianois A because must you play the piano at such a later hour?is a question for John.你真的需要这么晚了来弹钢琴吗?B need you play the the piano at ...